=========================memcached=================================
wget http://www.monkey.org/~provos/libevent-1.4.13-stable.tar.gz
tar -xvf libevent-1.4.13-stable.tar.gz
cd libevent-1.4.13-stable
./configure;make;make install;
wget http://memcached.googlecode.com/files/memcached-1.4.5.tar.gz
gunzip memcached-1.4.5.tar.gz
tar -xvf memcached-1.4.5.tar
cd memcached-1.4.5
./configure;make;make install;
echo “memcached -d -u nobody -m 1024 127.0.0.1 -p 11211” >> /etc/rc.local